Biology ETDs

Clyde Jones

Publication Date

Spring 5-20-1960

Abstract

The purpose of this investigation is to describe kind and amount of geographic variation of Microtus mexicanus, a grass-inhabiting vole, in New Mexico and some adjacent areas. It was found that environmental conditions, such as amount of moisture, and amount and type of vegatational cover, as well as ecological competition with similar species, seemingly affect geographic variation among populations of M. mexicanus. Among the populations studied, geographic variation in color and size of the auditory bullae is more apparent than geographic variation in other features.

Project Sponsors

National Science Foundation

Language

English

Keywords

Microtus mexicanus, M. mexicanus, New Mexico, Geographic Variation

Document Type

Thesis

Degree Name

Biology

Level of Degree

Masters

Department Name

UNM Biology Department

First Committee Member (Chair)

James S. Findley

Second Committee Member

William J. Koster

Third Committee Member

Howard J. Dittmer

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